It is of Scottish and Gaelic origin, and its meaning is "defender of mankind"
by Bobbbbbby December 29, 2006
Get the alasdair mug.
The act of inserting your penis up one's nose and pissing in it.
'Alasdair-ing is so gross'
by - [ Dark Assassin ] - March 15, 2007
Get the alasdair mug.
To pull an Alasdair, you must make constant jokes that are consistantly not funny.
'I am Alasdair, I play WoW, I rule'
by wowKelseyisgreat March 7, 2007
Get the alasdair mug.
The act of perverting over girls at least seven years older than you.
Person 1: 'She's hot'
Person 2: 'She's 8 years older than you!'
Person 1: 'So?'
Person 2: 'You Alasdair'
by Purity Assassin March 9, 2007
Get the alasdair mug.
A clumsy person, who farts alot of and tries to fit in but fails miserably
alasdair "well hi guys"

fuk u
by blubsyhubsy April 26, 2009
Get the alasdair mug.
"We weren't having sex, I was just Alasdair-ing him."
by treeroy September 3, 2017
Get the alasdair mug.